Expand.ValidationSummaryPosition
Use this parameter to customize the positioning of a validation message for all Expand actions. For example, saving a record results in a validation message about the save action. You can select one of three positions: Top; Bottom; Hidden. This value is applied to all Expand actions globally.
Type: Combobox
Note: To customize the positioning of a specific action, use the Expand action parameter validationSummaryPosition.